Given the supply of emails received by the editors, please identify your reason for contact from the following list and use it as the subject of the email. This is so an appropriate response can be given as soon as possible:
'Submission' - for all paper submissions;
'Submission query' - for queries regarding the submission process;
'Guidelines query' - for queries regarding the formatting of papers;
'General' - for any other problems encountered that do not fall under the above categories.